/*
 * Javassist, a Java-bytecode translator toolkit.
 * Copyright (C) 1999- Shigeru Chiba. All Rights Reserved.
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License.  Alternatively, the contents of this file may be used under
 * the terms of the GNU Lesser General Public License Version 2.1 or later,
 * or the Apache License Version 2.0.
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 */

package com.feilong.lib.javassist.compiler.ast;

import com.feilong.lib.javassist.compiler.CompileError;
import com.feilong.lib.javassist.compiler.TokenId;

/**
 * Cast expression.
 */
public class CastExpr extends ASTList implements TokenId{

    /** default serialVersionUID */
    private static final long serialVersionUID = 1L;

    protected int             castType;

    protected int             arrayDim;

    public CastExpr(ASTList className, int dim, ASTree expr){
        super(className, new ASTList(expr));
        castType = CLASS;
        arrayDim = dim;
    }

    public CastExpr(int type, int dim, ASTree expr){
        super(null, new ASTList(expr));
        castType = type;
        arrayDim = dim;
    }

    /*
     * Returns CLASS, BOOLEAN, INT, or ...
     */
    public int getType(){
        return castType;
    }

    public int getArrayDim(){
        return arrayDim;
    }

    public ASTList getClassName(){
        return (ASTList) getLeft();
    }

    public ASTree getOprand(){
        return getRight().getLeft();
    }

    public void setOprand(ASTree t){
        getRight().setLeft(t);
    }

    @Override
    public String getTag(){
        return "cast:" + castType + ":" + arrayDim;
    }

    @Override
    public void accept(Visitor v) throws CompileError{
        v.atCastExpr(this);
    }
}
